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Update on Measles and Pertussis in Los Angeles County

Update on Measles and Pertussis in Los Angeles County. Khemara Has, M.A. Immunization Coalition of Los Angeles County Meeting October 10, 2019. Los Angeles County Department of Public Health, Vaccine Preventable Disease Control Program. Measles Elimination status in the U.S.

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Update on Measles and Pertussis in Los Angeles County

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  1. Update on Measles and Pertussis inLos Angeles County Khemara Has, M.A. Immunization Coalition of Los Angeles County Meeting October 10, 2019 Los Angeles County Department of Public Health, Vaccine Preventable Disease Control Program

  2. Measles Elimination status in the U.S. • Between Jan-Sept 2019, 1,249 U.S. cases were reported • 31 states • New York State Department announced no active cases of measles as of October 3rd, 2019 • More than 42 days have passed without report of a new case. • 75% of this years cases are linked to New York City and New York State outbreaks The U.S. still holds it’s status of having eliminated measles!

  3. There are a total of 17 cases investigated by LAC as of 10/10/19 *Alameda County includes two health departments that report cases separately: Alameda County and Berkeley City. Los Angeles County includes three health departments that report cases separately: Los Angeles County, Pasadena City, and Long Beach City.

  4. LAC Measles Cases • Incubation period for public exposures for this case ends on October 11, 2019 • Press release went out to cover two public exposures in LAC • LAX • Parking Spot

  5. LAC Measles Cases • This is an increase of 5 cases since the last ICLAC meeting on July 11th, 2019. • 15 (88%) cases had unknown, under or non-vaccination status. • This mirrors the national statistic of 89% (MMWR, Vol. 68, 10/4/19) • 12 cases were directly or indirectly linked to international travel. • Defined as at least part of the exposure period occurring outside of the U.S.

  6. Pertussis cases in LAC schools

  7. A New Normal • As of October 10 , 2019 there have been 1,317 confirmed, probable and suspect cases compared to 318 cases for 2018 (provisional data). • These cases are highly vaccinated but may fall in the cohort which received the acellular vaccine . • We are seeing a population that is very socially active with high levels of participation in extracurricular activities.

  8. 307% increase

  9. A New Normal • Managing pertussis requires collaboration between LAC, providers and the public. • What is our role as public health ambassadors in educating the public about the nature of these diseases and their vaccines? • Outreach to community partners: • Pediatricians • School districts • Who else?

  10. Questions? khas@ph.lacounty.govMain Line: 213-351-7800

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